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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Alex Chang
๐Ÿ”ฌ
MDIndividual

Alex Chang, M.D.

NPI: 1770637266
Brentwood, TN
10 years of data
Pathology
$4.1M
Total Payments
29.7K
Beneficiaries
31.3K
Services
3.2x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$4.1M
Specialty median$84.1K

๐Ÿ“‹ Key Findings

1Billed $4.1M over 10 years
23.2x markup ratio (above median)
399th percentile in Pathology by payments
4Payments surged 328% in 2015
510 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.1M in total Medicare payments ranks in the 99th percentile of Pathology providers nationally.

Medicare payments to this provider grew 206% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 328% in 2015

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$185.41$62.222.98x$123.19$120.2K2.3K2.3K
2015$302.05$109.212.77x$192.84$514.4K3.1K2.9K
2016$304.38$111.842.72x$192.54$442.5K3.1K2.9K
2017$291.73$107.532.71x$184.20$512.1K3.5K3.3K
2018$320.15$113.232.83x$206.92$500.1K3.7K3.5K
2019$314.95$110.612.85x$204.34$540.3K4.0K3.8K
2020$374.27$129.472.89x$244.80$371.1K2.8K2.7K
2021$339.84$110.153.09x$229.69$364.1K2.8K2.7K
2022$370.44$125.402.95x$245.04$347.6K2.9K2.8K
2023$261.79$86.093.04x$175.70$368.4K3.2K3.0K

Top Procedures (20)

G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method, 10-20 specimens
$1.8M
5.9K services$298.95/svc1.93x markup
88121Cell examination of urine
$1.1M
3.1K services$346.58/svc2.91x markup
88112Cell examination of specimenโš  7.8x markup
$539.9K
12.0K services$45.09/svc7.80x markup
88344Special stained specimen slides to examine tissue
$230.9K
2.0K services$114.99/svc2.02x markup
88305Pathology examination of tissue using a microscope, intermediate complexityโš  5.3x markup
$190.3K
4.5K services$42.65/svc5.29x markup
88307Pathology examination of tissue using a microscope, moderately high complexity
$70.7K
456 services$155.01/svc3.00x markup
88342Tissue or cell analysis by immunologic techniqueโš  3.1x markup
$63.3K
943 services$67.14/svc3.15x markup
88120Cell examination of urine
$57.5K
130 services$442.28/svc2.93x markup
88341Special stained specimen slides to examine tissue
$20.4K
360 services$56.67/svc2.05x markup
88309Pathology examination of tissue using a microscope, high complexityโš  3.4x markup
$12.7K
112 services$113.17/svc3.42x markup
G0461Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stainโš  3.9x markup
$7.0K
192 services$36.46/svc3.91x markup
88360Microscopic genetic analysis of tumorโš  3.9x markup
$6.8K
171 services$39.57/svc3.94x markup
88312Special stained specimen slides to identify organisms including interpretation and report
$6.7K
162 services$41.12/svc2.52x markup
G0124Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician
$6.3K
233 services$27.11/svc1.95x markup
G0145Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervisionโš  3.0x markup
$5.6K
180 services$31.13/svc3.02x markup
87624Detection test for human papillomavirus (hpv)
$4.3K
102 services$42.12/svc2.61x markup
88304Pathology examination of tissue using a microscope, moderately low complexityโš  5.5x markup
$2.6K
200 services$13.07/svc5.48x markup
88346Antibody evaluationโš  3.8x markup
$2.4K
36 services$67.85/svc3.80x markup
88374Microscopic genetic examination using computer-assisted technology
$2.4K
70 services$34.63/svc2.57x markup
G0462Immunohistochemistry or immunocytochemistry, per specimen; each additional single or multiplex antibody stain (list separately in addition to code for primary procedure)โš  3.2x markup
$2.3K
115 services$20.27/svc3.19x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method, 10-20 specimens5.9K$1.8M$298.951.93x
88121Cell examination of urine3.1K$1.1M$346.582.91x
88112Cell examination of specimen12.0K$539.9K$45.097.80x
88344Special stained specimen slides to examine tissue2.0K$230.9K$114.992.02x
88305Pathology examination of tissue using a microscope, intermediate complexity4.5K$190.3K$42.655.29x
88307Pathology examination of tissue using a microscope, moderately high complexity456$70.7K$155.013.00x
88342Tissue or cell analysis by immunologic technique943$63.3K$67.143.15x
88120Cell examination of urine130$57.5K$442.282.93x
88341Special stained specimen slides to examine tissue360$20.4K$56.672.05x
88309Pathology examination of tissue using a microscope, high complexity112$12.7K$113.173.42x
G0461Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain192$7.0K$36.463.91x
88360Microscopic genetic analysis of tumor171$6.8K$39.573.94x
88312Special stained specimen slides to identify organisms including interpretation and report162$6.7K$41.122.52x
G0124Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician233$6.3K$27.111.95x
G0145Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervision180$5.6K$31.133.02x
87624Detection test for human papillomavirus (hpv)102$4.3K$42.122.61x
88304Pathology examination of tissue using a microscope, moderately low complexity200$2.6K$13.075.48x
88346Antibody evaluation36$2.4K$67.853.80x
88374Microscopic genetic examination using computer-assisted technology70$2.4K$34.632.57x
G0462Immunohistochemistry or immunocytochemistry, per specimen; each additional single or multiplex antibody stain (list separately in addition to code for primary procedure)115$2.3K$20.273.19x

Markup Analysis

Charge-to-Payment Ratio

3.2x

This provider submits charges 3.2 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.2x means for every $100 Medicare pays, this provider initially charges $320. This is higher than the national average.

Location

Brentwood, TN

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Similar Providers

Other Pathology providers in TN for peer comparison.

Alex Chang (you)
$4.1M
Richard Kinsey, MD
$40.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Richard Kinsey, MDMemphis, TN$40.6Mโœ“ Clear

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Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

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